<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
 <h1>更改商品信息</h1>
 <div>
   <input type="text" readonly v-model="p.id">
   <input type="text" v-model="p.title">
   <input type="text" v-model="p.price">
   <input type="text" v-model="p.saleCount">
   <input type="button" value="提交"@click="update">
 </div>
<script src="js/vue.js"></script>
<script src="js/axios.min.js"></script>
<script>
  let  v = new Vue({
     el:"div",
    data:{
       p:{}
    },
    created: function () {
       let id = location.search.split("=")[1];
      axios.get("/selectById?id="+id).then(function (response) {
          v.p = response.data;
      })
    },methods:{
         update(){
             axios.post("/update",v.p).then(function (response) {
                 alert("更改成功")
                 location.href="/select.html";
             })
         }
      }

  })
</script>
</body>
</html>